Dell S3048-ON Configuration Manual page 27

Important Points to Remember................................................................................................................................... 825
Configuring Interfaces for Layer 2 Mode....................................................................................................................826
Enabling Spanning Tree Protocol Globally................................................................................................................... 827
Adding an Interface to the Spanning Tree Group...................................................................................................... 829
Modifying Global Parameters....................................................................................................................................... 829
Modifying Interface STP Parameters..........................................................................................................................830
Enabling PortFast.......................................................................................................................................................... 830
Prevent Network Disruptions with BPDU Guard..................................................................................................831
Selecting STP Root....................................................................................................................................................... 833
STP Root Guard.............................................................................................................................................................833
Root Guard Scenario............................................................................................................................................... 833
Configuring Root Guard.......................................................................................................................................... 834
Enabling SNMP Traps for Root Elections and Topology Changes...........................................................................835
Configuring Spanning Trees as Hitless........................................................................................................................835
STP Loop Guard............................................................................................................................................................ 835
Configuring Loop Guard.......................................................................................................................................... 837
Displaying STP Guard Configuration............................................................................................................................837
51 SupportAssist...........................................................................................................................................839
Configuring SupportAssist Using a Configuration Wizard........................................................................................840
Configuring SupportAssist Manually........................................................................................................................... 840
Configuring SupportAssist Activity............................................................................................................................. 842
Configuring SupportAssist Company.......................................................................................................................... 843
Configuring SupportAssist Person.............................................................................................................................. 844
Configuring SupportAssist Server............................................................................................................................... 844
Viewing SupportAssist Configuration......................................................................................................................... 845
52 System Time and Date............................................................................................................................. 847
Network Time Protocol................................................................................................................................................. 847
Protocol Overview................................................................................................................................................... 848
Configure the Network Time Protocol..................................................................................................................848
Enabling NTP............................................................................................................................................................849
Configuring NTP Broadcasts................................................................................................................................. 849
Disabling NTP on an Interface............................................................................................................................... 850
Configuring a Source IP Address for NTP Packets.............................................................................................850
Configuring NTP Authentication........................................................................................................................... 850
Configuring a Custom-defined Period for NTP time Synchronization..............................................................853
Dell Networking OS Time and Date.............................................................................................................................853
Configuration Task List ...........................................................................................................................................853
Setting the Time and Date for the Switch Software Clock............................................................................... 853
Setting the Timezone..............................................................................................................................................854
Set Daylight Saving Time........................................................................................................................................854
Setting Daylight Saving Time Once.......................................................................................................................854
Setting Recurring Daylight Saving Time............................................................................................................... 855
53 Tunneling................................................................................................................................................. 857
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